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CA2031175C - Gyroscope a fibres optiques pour accommoder des angles accentues - Google Patents

Gyroscope a fibres optiques pour accommoder des angles accentues

Info

Publication number
CA2031175C
CA2031175C CA002031175A CA2031175A CA2031175C CA 2031175 C CA2031175 C CA 2031175C CA 002031175 A CA002031175 A CA 002031175A CA 2031175 A CA2031175 A CA 2031175A CA 2031175 C CA2031175 C CA 2031175C
Authority
CA
Canada
Prior art keywords
signal
output
digital
rad
sample
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002031175A
Other languages
English (en)
Other versions
CA2031175A1 (fr
Inventor
Motohiro Ishigami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Japan Aviation Electronics Industry Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Aviation Electronics Industry Ltd filed Critical Japan Aviation Electronics Industry Ltd
Publication of CA2031175A1 publication Critical patent/CA2031175A1/fr
Application granted granted Critical
Publication of CA2031175C publication Critical patent/CA2031175C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
CA002031175A 1989-11-30 1990-11-29 Gyroscope a fibres optiques pour accommoder des angles accentues Expired - Lifetime CA2031175C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1311649A JPH0654236B2 (ja) 1989-11-30 1989-11-30 デジタルフェイズランプ方式光干渉角速度計
JP311649/89 1989-11-30

Publications (2)

Publication Number Publication Date
CA2031175A1 CA2031175A1 (fr) 1991-05-31
CA2031175C true CA2031175C (fr) 1996-08-27

Family

ID=18019825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002031175A Expired - Lifetime CA2031175C (fr) 1989-11-30 1990-11-29 Gyroscope a fibres optiques pour accommoder des angles accentues

Country Status (5)

Country Link
US (1) US5116129A (fr)
EP (1) EP0431474B1 (fr)
JP (1) JPH0654236B2 (fr)
CA (1) CA2031175C (fr)
DE (1) DE69007034T2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2660996B1 (fr) * 1990-04-17 1992-08-07 Photonetics Dispositif de mesure a fibre optique, gyrometre, centrale de navigation et de stabilisation, capteur de courant.
JPH0749963B2 (ja) * 1990-12-26 1995-05-31 日本航空電子工業株式会社 光干渉角速度計
US5280339A (en) * 1992-04-24 1994-01-18 Alliedsignal Inc. Closed loop fiber optic gyroscope with fine angle resolution
US5278631A (en) * 1992-04-24 1994-01-11 Allied Signal Inc. Closed loop fiber optic gyroscope with signal processing arrangement for improved performance
JP2532326B2 (ja) * 1992-07-22 1996-09-11 日本航空電子工業株式会社 光干渉角速度計
WO1999056080A1 (fr) * 1998-04-27 1999-11-04 Tokimec Inc. Gyroscope a fibres optiques
JP4109757B2 (ja) * 1998-07-08 2008-07-02 株式会社トキメック 光ファイバジャイロ
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
DE10130159C2 (de) * 2001-06-22 2003-06-18 Litef Gmbh Verfahren zur Vermeidung von Bias-Fehlern aufgrund synchroner Einstreuung bei faseroptischen Gyroskopen
US7295322B2 (en) * 2005-04-13 2007-11-13 Litton Systems, Inc. Optical power measurement of a closed loop fiber optic gyroscope
CN102435186B (zh) * 2011-11-28 2013-10-16 北京大学 一种光纤陀螺的数字信号处理方法、装置及光纤陀螺仪
JP7647165B2 (ja) * 2021-02-26 2025-03-18 セイコーエプソン株式会社 Ａ／ｄコンバーター、デジタル出力温度センサー、回路装置及び発振器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555739B1 (fr) * 1980-11-07 1986-04-04 Thomson Csf Dispositif de mesure d'un dephasage non reciproque engendre dans un interferometre en anneau
FR2566133B1 (fr) * 1984-06-14 1986-08-29 Thomson Csf Dispositif de mesure d'un dephasage non reciproque engendre dans un interferometre en anneau
US5018859A (en) * 1989-01-26 1991-05-28 Honeywell Inc. Fiber optic gyroscope balanced plural serrodyne modulators phase difference control

Also Published As

Publication number Publication date
EP0431474B1 (fr) 1994-03-02
EP0431474A1 (fr) 1991-06-12
DE69007034D1 (de) 1994-04-07
DE69007034T2 (de) 1994-07-14
JPH03170869A (ja) 1991-07-24
JPH0654236B2 (ja) 1994-07-20
CA2031175A1 (fr) 1991-05-31
US5116129A (en) 1992-05-26

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202